HOMEBREW

• Antennas

• Accessories for Antennas

• RF Devices (RTX,Ampl...)

• Accessories for your Shack (P.S.,Bug,Mic...)

• Instruments

• How To...for beginners

ANTENNAS

• TWO ELEMENT CUBICAL QUAD 10/12/15 meter: project and general information for building a Quad;

• EH ANTENNA for 160 mt band: my experiments.

• Some ideas for a single element DELTA LOOP

• ROTARY DIPOLE 17/20 meter;

• A 3 element DELTA LOOP on 20 meter, 4 on 15 and 5 on 10: my new beam (Just some good ideas)

• J-POLE 2 meter: a very simple antenna for 145 Mhz;

• Contest Antenna: a new way to see the problem;

ACCESSORIES FOR ANTENNAS

• All about BALUN: choke, collins, VHF, bazooka ecc.; ratio 1:1, 4:1, 6:1, 9:1 ecc.

• All About ANTENNA ROTATOR: how it works, how to repair, how modify.

• ANTENNA SWITCH with common rele':

• An other ANTENNA SWITCH for sloper and long-wire;

• PROBLEM ON THE ROOF? How to have a support for your antennas with no holes in the wall;

• Duplexer 144/430 mhz;

RF DEVICES

• Build a LINEAR AMPLIFIER for HF bands using an old CB's one: 400 Watt with few $!

• A 50 mhz Transverter: use an old CB as a duo-bander RTX for 28/50 mhz for portable operation;

• FTL 3-2 and similar: a small Triode giving 8000 watt;

ACCESSORIES FOR YOUR SHACK

• A MICROPHONE + earphones for Contest;

• An ELECTRONIC BUG : for who wants start using horizontal-key without spend too much;

• A 20A (and more) - 13,8V POWER SUPPLY for RTX
  

• ACWS: Automatic CW Sender: a small circuit to transmit memorized CW messages .

• A "week-end" BUG ;

• A secure "medium" POWER SUPPLY (protected for High current, Voltage and RFI)

• A Battery Recharger for auto and moto.

INSTRUMENT FOR HAM HOMEBREWING

• GATE DIP METER : a very useful tool for hams;

• LC METER Inductance and capacitance meter for measuring inductor and capacitor;

• ESR METER: Equivalent Serie Resistance
  Tester for capacitors

• SIGNAL TRACER : a difficult word for a simple instrument;

• An easy DUMMY LOAD: 100 watt for HF bands;

• A variabile 0-30 V power supply;

• Do you need a DOUBLE VOLTAGE for digital applicationes? NO PROBLEM! How to obtain it without to buy a specific transformer;

• Simple 27Cxx EPROM PROGRAMMER : schematics ,project , short tutorial about eprom and KISSEPROM Software for Windows

• A simple EPROM ERASER with UV-Ray;

• How to generate an audio signal for various applicationes;

• S.W.R.- meter

HOW TO..

• How to easy unsolder and recover old electronic components

• Make your drill more "flexible" (making PCB);

• Learn soldering;

• Soldering PL259;

• How rebuild broken chip pin;

• Start using "Digital Techniques";

• Alternative Stuffes for Home-brewers;

• How to regenerate " Ferric (per)-chloride" used to make printed board;

• A good paint for RF;